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  1. Sexually transmitted diseases (STDs) - Symptoms and causes

    Sexually transmitted diseases (STDs) are caused by sexually transmitted infections (STIs). They are spread mainly by sexual contact. STIs are caused by bacteria, viruses or parasites. A …

  2. Sexually transmitted infection - Wikipedia

    A sexually transmitted infection (STI), also referred to as a sexually transmitted disease (STD) and the older term venereal disease (VD), is an infection that is spread by sexual activity, …

  3. About Sexually Transmitted Infections (STIs) | STI | CDC

    Mar 25, 2024 · Sexually transmitted infections (STIs), also known as sexually transmitted diseases (STDs), are very common. Millions of new infections occur every year in the United …

  4. Sexually Transmitted Diseases: Types, Symptoms, Treatment

    Apr 11, 2023 · All STDs are caused by an STI. These infections are usually transmitted through sexual contact, including through bodily fluids or skin contact via vaginal, oral, and anal sex. …

  5. List of all STDs and their Symptoms - STDs Information

    Mar 28, 2017 · Sexually Transmitted Diseases are the ones that are easily passed from one person to another, cause various complications and are sometimes difficult or impossible to …

  6. Sexually Transmitted Diseases (STDs): Causes, Tests,

    Oct 14, 2024 · STDs are sexually transmitted diseases. This means they are most often, but not exclusively, spread by sexual contact. STDs used to be called venereal diseases (VD). …

  7. Sexually Transmitted Infections (Sexually Transmitted Diseases)

    Feb 3, 2023 · Sexually transmitted infections (STI) are infections or conditions that you can get from any kind of sexual activity involving your mouth, anus, vagina or penis. Another common …

  8. Sexually transmitted infections (STIs)

    May 29, 2025 · STIs have a direct impact on sexual and reproductive health through stigmatization, infertility, cancers and pregnancy complications and can increase the risk of …

  9. What Are STDs? | Sexually Transmitted Diseases Information

    STDs are infections that are spread from one person to another, usually during vaginal, anal, and oral sex. They’re really common, and lots of people who have them don’t have any symptoms. …

  10. Sexually Transmitted Infections | STIs - MedlinePlus

    Jun 26, 2024 · What are sexually transmitted infections (STIs)? Sexually transmitted infections (STIs), or sexually transmitted diseases (STDs), are infections that are passed from one …

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